<template >
  <div id="app">
    <router-view />
  </div>
</template>

<style lang="scss" >
// 给定父元素高度
html,
body,
#app {
  width: 100%;
  height: 100%;
  background-color: #e1e3e6;
  display: flex;
  align-items: center;
}
</style>
